For type 7591A tubes with proper adapters. (4) 7868 tube Near MINT. Our TV7 does not have settings for 7868. We are able to use adapter and 7591 settings to test them. All Tested as 70 while minimum is 36.
For type 7591A tubes with proper adapters. (4) 7868 tube Near MINT. Our TV7 does not have settings for 7868. We are able to use adapter and 7591 settings to test them. All Tested as 70 while minimum is 36.